Acute detection of assorted classes of organo-toxins under practical environment is an important sustainable agenda, whereas cooperative and recyclable catalysis can mitigate hazards by minimizing energy requirements, and reducing waste generation.1 We constructed an acid-base stable Co(II)-framework (CSMCRI-10), wherein unidirectional porous channels are decorated by anionic [Co2(µ2-OH)(COO)4(H2O)3] secondary building units and neutral [CoN2(COO)2] nodes.2 Intense luminescence signature of the hydrolytically robust framework is harnessed in selective, fast-responsive and regenerable detection of two detrimental organo-aromatics, 4-aminophenol (4-AP) and 2,4,6-trinitrophenol (TNP). Benefitting from concurrent existences of open-metal site and triphenylamine moiety functionalized ligand, the activated framework acts as outstandingly cooperative heterogeneous catalyst in deacetalization-Knoevenagel condensation under mild condition.3 The acid-base dual catalysis is first-time detailed from combined inputs of control experiments and DFT validations. To the best of tandem reaction, larger-sized substrate exhibits insignificant conversion, and certifies rarest pore-fitting induced size-selectivity.
1. Kreno, L. E.; Leong, K.; Farha, O. K.; Allendorf, M.; Van Duyne, R. P.; Hupp, J. T. Chem. Rev. 2012, 112, 1105.
2. Seal, N.; Palakkal, A. S.; Singh, M.; Goswami, R. ; Pillai, R. S.; Neogi, S. ACS Applied Materials & Interfaces 2021, 13, 28378.
3. Yao, C.; Zhou, S.; Kang, X.; Zhao, Y.; Yan, R.; Zhang, Y.; Wen, L. Inorg. Chem. 2018, 57, 11157.

Acute detection of assorted classes of organo-toxins under practical environment is an important sustainable agenda, whereas cooperative and recyclable catalysis can mitigate hazards by minimizing energy requirements, and reducing waste generation.^1^ We constructed an acid-base stable Co(II)-framework (**CSMCRI-10**), wherein unidirectional porous channels are decorated by anionic [Co~2~(µ~2~-OH)(COO)~4~(H~2~O)~3~] secondary building units and neutral [CoN~2~(COO)~2~] nodes.^2^ Intense luminescence signature of the hydrolytically robust framework is harnessed in selective, fast-responsive and regenerable detection of two detrimental organo-aromatics, 4-aminophenol (4-AP) and 2,4,6-trinitrophenol (TNP). Benefitting from concurrent existences of open-metal site and triphenylamine moiety functionalized ligand, the activated framework acts as outstandingly cooperative heterogeneous catalyst in deacetalization-Knoevenagel condensation under mild condition.^3^ The acid-base dual catalysis is first-time detailed from combined inputs of control experiments and DFT validations. To the best of tandem reaction, larger-sized substrate exhibits insignificant conversion, and certifies rarest pore-fitting induced size-selectivity.
1. Kreno, L. E.; Leong, K.; Farha, O. K.; Allendorf, M.; Van Duyne, R. P.; Hupp, J. T. _Chem. Rev._ **2012**, _112_, 1105.
2. Seal, N.; Palakkal, A. S.; Singh, M.; Goswami, R. ; Pillai, R. S.; Neogi, S. _ACS Applied Materials & Interfaces_ **2021**, _13_, 28378.
3. Yao, C.; Zhou, S.; Kang, X.; Zhao, Y.; Yan, R.; Zhang, Y.; Wen, L. _Inorg. Chem._ **2018**, _57_, 11157.

A Chemo-robust Bifunctional Co(II)-MOF for Trace Detection of Assorted Organo-Toxins and Highly Cooperative deacetalization-Knoevenagel Condensation with Pore-Fitting Induced Size-Selectivity

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27th CRSI National Symposium in Chemistry

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